(NnAUKA(B, (NEE SODERVANIE(B, (NSMYSL I KLASSIFIKACIQ (B/ s - (NbERG(B, (NlEW sEMENOWI^ s ((NpETROGRAD (B: s (NwREMQ(B, s, 1922)
Keywords: (NnAUKA (B- (NkLASSIFIKACIQs